Ammonium thiocyanate
- CAS number
- 1762-95-4
- Molecular weight
- 76.12
- Molecular formula / chemical symbol
- NH4SCN
Description
Apearances: Colorless monoclinic tabular or columnar crystals, and shiny. Relative density of 1.306, a melting point of about 149 ° C, turning in water, ethanol, methanol, pyridine and acetone, insoluble in chloroform.
USES
Photography, dyes, pesticides, and other industries is mainly used for the separation of antibiotics, the dyeing the diffusion agent, polymerization catalysts for organic synthesis, chemical analysis, try, also coated with zinc plating additives.
Keywords:Surface treatment chemicals
Report
|
|
(AR) |
(CP) |
|
(NH4SCN) ≥ |
98.5 |
98.0 |
|
Sulfide (S) ≤ |
0.001 |
0.002 |
|
(Cu) ≤ |
0.0005 |
0.001 |
|
Clarity Test |
Qualified |
Qualified |
|
Sulfate (SO4) ≤ |
0.005 |
0.02 |
|
Water insolubles ≤ |
0.005 |
0.01 |
|
(Fe) ≤ |
0.0001 |
0.0003 |
|
Residue on ignition (as sulfate) ≤ |
0.01 |
0.02 |
|
To restore iodine substance (I) ≤ |
0.05 |
0.1 |
|
pH(50g/L Solution，25℃) |
4.5-6.0 |
4.5-6.0 |
|
Chlorides (Cl) ≤ |
0.005 |
0.01 |
|
(Pb) ≤ |
0.0005 |
0.001 |